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configure.in
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configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(vvp.c)
dnl Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_CANONICAL_HOST
# $host
AC_CYGWIN
AC_SUBST(CYGWIN)
AC_CHECK_HEADERS(malloc.h)
# Darwin requires -no-cpp-precomp
case "${host}" in
*-*-darwin*)
CPPFLAGS="-no-cpp-precomp"
CFLAGS="-no-cpp-precomp"
;;
esac
# The -fPIC flag is used to tell the compiler to make position
# independent code. It is needed when making shared objects.
AC_MSG_CHECKING("for flag to make position independent code")
PICFLAG=-fPIC
case "${host}" in
*-*-cygwin*)
PICFLAG=
;;
*-*-hpux*)
PICFLAG=+z
;;
esac
AC_SUBST(PICFLAG)
AC_MSG_RESULT($PICFLAG)
AC_MSG_CHECKING("for shared library link flag")
shared=-shared
case "${host}" in
*-*-cygwin*)
shared="-shared -Wl,--enable-auto-image-base"
;;
*-*-hpux*)
shared="-b"
;;
*-*-darwin1.[0123])
shared="-bundle -undefined suppress"
;;
*-*-darwin*)
shared="-bundle -undefined suppress -flat_namespace"
;;
esac
AC_SUBST(shared)
AC_MSG_RESULT($shared)
AC_MSG_CHECKING("for Win32")
WIN32=no
case "${host}" in
*-*-cygwin*)
WIN32=yes
;;
esac
AC_SUBST(WIN32)
AC_MSG_RESULT($WIN32)
AC_OUTPUT(Makefile)